*Aymeric Pierre Marie Servettaz¹、Yuta Isaji¹、Chisato Yoshikawa¹、Nanako O. Ogawa¹、Yeongjun Ryu²、Boo-Keun Khim³、Yang-Hee Jang⁴、Daniel M. Sigman²、Francisco J. Jiménez-Espejo^1,5、Naohiko Ohkouchi¹ (1.Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan、2.Department of Geosciences, Princeton University, Princeton, New Jersey 08544, USA、3.Department of Oceanography and Marine Research Institute, Pusan National University, Busan 46241, Korea、4.Marine Ecosystem Management Department, Marine Environment Research Institute, Korea Marine Environment Management Corporation, Busan 49111, Korea、5. Instituto Andaluz de Ciencias de la Tierra, CSIC-UGR, Spain)